B_{\,1,0}(t)

B_{\,1,0}(t)

B_{\,1,1}(t)

B_{\,0,0}(t)

1

0

t

t

t

t

A = Point(yAxis)
B = (1, 1)
C = (2, 1)
f = Segment(A, B)
g = Segment(B, C)
D = Point(yAxis)
E = Point(xAxis)
F = (2, -1)
h = Segment(D, E)
i = Segment(E, F)
G = Point(xAxis)
H = (1, 1)
I = Point(xAxis)
j = Segment(G, H)
k = Segment(H, I)
J = Point(xAxis)
K = (2, 1)
L = Point(xAxis)
l = Segment(J, K)
m = Segment(K, L)
M = Point(yAxis)
N = Point(xAxis)
n = Segment(M, N)
O: (0, 0)
v = Vector((0, -1), (2.5, -1))
u = Vector((0, -1), (0, 0))
P: (3, -1)
p = Segment(J, P)
w = Vector((0, -1), (3.5, -1))